1,brand headphone 2,CE,ROHS, FCC 3,Direct factory 4,High ... WST-960 mp3 headset ,brand headphone1) Play music by inserting SD/TF card2) Music format supported: MP3/WAV/WMA 3) ... battery capacity indicator9) Forward and Rewind functionABOUT PRODUCT: FM wireless headphone WST-960 CE, ROHS, FCC certification direct the factory sale ... 3V Max consumption current: ≤30MA Receiving Distance: ≤30M brand headphone